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marusya05 [52]
2 years ago
7

Factorize (x^2-y^2)z + (y^2-z^2)x​

Mathematics
1 answer:
Jlenok [28]2 years ago
6 0

Answer:

(y+x)(y-x)(x-z)

Step-by-step explanation:

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A 12-member jury is to be selected from 15 men and 13 women. Find the probability that this jury has 6 or 7 males.
Bas_tet [7]

Answer:

The right solution is "0.5545".

Step-by-step explanation:

According to the question,

The probability of having 6 or 7 males will be:

= P(6 \ males)+ P(7 \ males)

= \frac{15_C_6\times 13_C_6}{28_C_{12}} + \frac{15_C_7\times 13_C_5}{28_C_{12}}

= \frac{5005\times 1716+6435\times 1287}{30421755}

= \frac{16870425}{30421755}

= 0.5545

8 0
2 years ago
Heights​ (cm) and weights​ (kg) are measured for 100 randomly selected adult​ males, and range from heights of 138 to 190 cm and
mart [117]

Answer:

Best predicted value of y' = 86.16 kg

Step-by-step explanation:

Given,

n = 100

Range of heights = 138 - 190cm

Range of weight = 39 to 150 kg

x' =167.46 cm

y' = 81.44 kg

r = 0.108

p value = 0.285

y = - 105 + 1.08x

Significance level = 0.05

We reject H0 since pvalue, 0.285 is less than significance level of 0.05.

Therefore,

Given height of adult male, x = 177 cm

y = - 105 + 1.08x

The best predicted value of y' =

y' = - 105 + 1.08(177)

y' = 86.16 kg

The best predicted value of y' is 86.16kg

6 0
3 years ago
A high-speed computer printer prints a page in 1/6 second. Using this printer, how long would it take to print 30 pages?
german
30*\frac{1}{6}=\frac{30}{6}=5
6 0
3 years ago
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How many cups are in 2 gallons
Korolek [52]
There are about 32 cups in a gallon.
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3 years ago
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Allison is running a race that is m miles long. She has already run 6 miles. Which expression shows how many miles Allison has l
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M-6 is the expression that shows how far Allison has to run
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3 years ago
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